277
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
11 Rotation and Shift Operation – FNC 30 to FNC 39
11.5 FNC 34 – SFTR / Bit Shift Right
11
FN
C30-
FN
C39
R
o
ta
tion and
Sh
ift
12
FNC
4
0
-FNC49
D
a
ta
Op
e
ra
tio
n
13
FNC5
0
-FNC5
9
H
igh Speed
Pr
ocessi
ng
14
FM
C6
0
-F
NC6
9
H
and
y
In
st
ru
cti
o
n
15
FNC7
0
-FNC7
9
Ex
te
rn
a
l F
X
I
/O
D
evi
ce
16
FNC8
0
-FNC8
9
Ext
e
rnal
FX
D
evi
ce
17
F
N
C1
00
-F
NC
10
9
Da
ta
Tr
ansf
e
r 2
18
FN
C
110-FN
C
13
9
Fl
oat
ing P
o
in
t
19
FN
C
140-FN
C
149
Da
ta
O
per
at
io
n
2
20
FN
C
15
0-F
N
C
159
P
o
si
tioni
ng
C
ont
ro
l
11.5
FNC 34 – SFTR / Bit Shift Right
Outline
This instruction shifts bit devices of the specified bit length rightward by the specified number of bits.
After shift, the bit device
is transferred by "n2" bits from the most significant bit.
1. Instruction format
2. Set data
3. Applicable devices
S
: "D
.b" cannot be indexed with index registers (V and Z).
Operand Type
Description
Data Type
Head bit device number to be stored to the shift data after rightward shift
Bit
Head bit device number to be shifted rightward
Bit
n1
Bit length of the shift data n2
≤
n1
≤
1024
16-bit binary
n2
Number of bits to be shifted rightward n2
≤
n1
≤
1024
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS
T
C
D
R U
\G
V
Z Modify K
H
E
"
"
P
3 3 3
3
S
3
3 3
3
3
n1
3 3
n2
3 3
3 3
S
P
FNC 34
SFTR
16-bit Instruction
9 steps
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
SFTR
SFTRP
−
−
Mnemonic
Operation Condition
32-bit Instruction
S
D
S
D